Originally Posted by
btuner
its funny how big of a difference there is between ls swaps, some are shit slow, and some ride out
Too many variables.
Some may or may not have followed proper break in procedures... some may have been rebuilt... some may have been ragged on... some of them may even have mods that they might even know about maybe a shaved flywheel or possibly a thinner head gasket and wild tune. You never know.